public class Overloading {
    public int test(){
        System.out.println("test1");
        return 1;
    }

    public void test(int a){
        System.out.println("test2");
    }

    //一下两个参数类型顺序不同
    public String test(int a,String s){
        System.out.println("test3");
        return "3";
    }

    public String test(String s,int a){
        System.out.println("test4");
        return "4";
    }

    public static void main(String[] args){
        Overloading o = new Overloading();
        System.out.println(o.test());

        o.test(1);
        System.out.println(o.test(1,"test3"));

        System.out.println(o.test("test3",1));
    }
}
